| August 2005 | Company founded. Capital of 10 million yen. |
|---|---|
| September 2005 | Capital increased through third party share allocations to Elpida Memory, Inc., Kingston Technology Japan, LLCăPowertech Technology Inc. and Advantest Corporation. New Capital base of 5.6 billion yen. |
| Acquired authorization for the Management Resources Revitalization Plan based on the Act on Special Measures for Industrial Revitalization. | |
| October 2005 | Wafer testing on DRAM products started at the Hiroshima Operation Center (Higashi-Hiroshima City, Hiroshima Prefecture.) |
| Sub-contracted development into testing technology, etc., started at the Development Center (Sagamihara City, Kanagawa Prefecture.) | |
| May 2006 | Wafer testing for companies other than Elpida Memory, Inc. started at the Hiroshima Operation Center. |
| June 2006 | Quality Management System ISO9001 certification (fiscal 2000 edition) acquired by the Hiroshima Operation Center. |
| Land and buildings for the Kyushu Operation Center acquired in Ashikita-machi, Ashikita-gun, Kumamoto Prefecture. | |
| September 2006 | Kyushu Operation Center opened. Final testing on logic products started. |
| November 2006 | Wafer testing on logic products started at the Kyushu Operation Center. |
| January 2007 | Quality Management System ISO9001 certification (fiscal 2000 edition) acquired by the Kyushu Operation Center. |
| March 2007 | Head Office and Development Center moved to Shin-Yokohama, Kohoku-ku, Yokohama City, Kanagawa Prefecture. |
| Authorization for the Management Resources Revitalization Plan based on the Act on Special Measures for Industrial Revitalization canceled, and authorization for the Business Revitalization Plan based on the same act acquired. | |
| Facilities and equipment, etc., related to wafer testing succeeded from Hiroshima Elpida Memory, Inc. through a demerger and business transfer. New capital base of 9.6 billion yen. | |
| April 2007 | Construction of the new building (B Annex) at the Kyushu Operation Center completed. |
| September 2007 | Annex B of the Kyushu Operation Center commences operations. |
| December 2007 | Environmental Management System ISO14001 (fiscal 2004 edition) certification acquired. |
| Information Security Management System ISO27001 (fiscal 2005 edition) certification acquired. | |
| September 2008 | TeraPower Technology Inc. of the subsidiary started a Wafer Test business. |
| July 2009 | Tera Probe Announces establishment of "Test Center" in Kyushu Operation Center |
| December 2010 | Listed on The Tokyo Stock Exchange's Mothers Section. |
| October 2011 | Assumed responsibility for WLP business of Casio Micronics and begun business as Teramikros. |




